Bilstein B4 OE replacement twin-tube rear shock for 2004–2010 BMW 525i, 530i, 535i and 550i models restores factory ride and handling. These dampers are engineered to meet or exceed OE standards, offering precise construction and high power reserves to recover original driving comfort, handling and safety for owners replacing worn rear shocks with a direct OE-style option.
Bilstein B4 2004-2010 BMW 525i/530i/535i/550i Rear Twintube Shock Absorber